DeBeque Formation | |
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Stratigraphic range: Late Paleocene-Early Eocene (Clarkforkian-Wasatchian) ~ | |
![]() Fossil from the DeBeque Formation | |
Type | Formation |
Sub-units | Atwell Gulch Member |
Lithology | |
Primary | Claystone |
Location | |
Coordinates | 40°00′N107°54′W / 40.0°N 107.9°W |
Approximate paleocoordinates | 44°48′N91°48′W / 44.8°N 91.8°W |
Region | Colorado |
Country | United States |
The DeBeque Formation is a geologic formation in Colorado's Piceance Basin, [1] preserving fossils which date back to the Late Paleocene to Early Eocene period (Clarkforkian to Wasatchian in the NALMA classification. [2] [3] Examples of these fossils are held in the University of Colorado Museum of Natural History. [4]
Formation | Wasatch | DeBeque | Claron | Indian Meadows | Pass Peak | Tatman | Willwood | Golden Valley | Coldwater | Allenby | Kamloops | Ootsa Lake | Margaret | Nanjemoy | Hatchetigbee | Tetas de Cabra | Hannold Hill | Coalmont | Cuchara | Galisteo | San Jose | Ypresian (IUCS) • Itaboraian (SALMA) Bumbanian (ALMA) • Mangaorapan (NZ) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Basin | Powder River Uinta Piceance Colorado Plateau Wind River Green River Bighorn | Piceance | Colorado Plateau | Wind River | Green River | Bighorn | Williston | Okanagan | Princeton | Buck Creek | Nechako | Sverdrup | Potomac | GoM | Laguna Salada | Rio Grande | North Park | Raton | Galisteo | San Juan | ||
Country | ![]() | ![]() | ![]() | ![]() | ![]() | |||||||||||||||||
Copelemur | ![]() | ![]() | ![]() | ![]() | ||||||||||||||||||
Coryphodon | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ||||||||||||
Diacodexis | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | |||||||||||||||
Homogalax | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | |||||||||||||||
Oxyaena | ![]() | ![]() | ![]() | ![]() | ![]() | |||||||||||||||||
Paramys | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | |||||||||||||
Primates | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | |||||||||||||||
Birds | ![]() | ![]() | ![]() | ![]() | ![]() | |||||||||||||||||
Reptiles | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | |||||||||||||||
Fish | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | |||||||||||||||
Insects | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ||||||||||||||||
Flora | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | |||||||||||||
Environments | Alluvial-fluvio-lacustrine | Fluvial | Fluvial | Fluvio-lacustrine | Fluvial | Lacustrine | Fluvio-lacustrine | Deltaic-paludal | Shallow marine | Fluvial | Shallow marine | Fluvial | Fluvial | |||||||||
Volcanic | Yes | No | Yes | No | Yes | No | Yes | No | Yes | No | ||||||||||||